AMPP O-CAT study plan

Define the electrochemical corrosion cell and list the four required components for each of two example offshore scenarios

Distinguish galvanic, crevice, pitting, and microbiologically influenced corrosion by writing a one-line mechanism for each

Explain how seawater chloride content, dissolved oxygen, temperature, and flow velocity shift corrosion rate

Calculate a corrosion rate from mass-loss data and convert between mpy and mm/year

Compare carbon steel, duplex stainless steel, and 22Cr/25Cr super duplex on pitting resistance equivalent number and where each is specified

Describe how a galvanic series in seawater governs material selection for a mixed-metal joint

Identify the corrosion consequences of weld heat-affected zones in duplex and high-strength steels

Outline the role of coatings and cathodic protection as a combined corrosion-control strategy on a jacket structure

Explain the principles of sacrificial anode and impressed current cathodic protection and when each is preferred offshore

Compute anode current output using Ohm's law with anode-to-electrolyte resistance and driving potential

Calculate anode mass requirement from current demand, design life, and anode consumption rate

Interpret a protection potential criterion (e.g., -0.80 V vs Ag/AgCl) and explain why overprotection risks hydrogen embrittlement

List the functions of a coating system (barrier, inhibitive, sacrificial) and match each to a service environment

Describe surface preparation standards and the effect of profile and cleanliness on adhesion

Explain why coating breakdown factors feed directly into CP current demand calculations

Identify common offshore coating failure modes and the inspection cues for each

Re-derive CP current demand from coated surface area and coating breakdown factor without notes

Explain the interaction between coating damage and localized CP demand on a submerged member

Solve three mixed corrosion/CP calculation problems under timed conditions

Correct every error from the week 3 calculation and document the root cause of each

Describe visual, ultrasonic thickness, and potential survey methods and what each detects on an offshore structure

Explain how inspection findings update a corrosion rate and remaining-life estimate

Outline a risk-based inspection approach prioritizing components by consequence and likelihood

Interpret a close-interval potential survey and identify an underprotected region

Write a repair-versus-replace recommendation from coating condition and structural thickness data

Explain how integrity management plans integrate coating maintenance, CP monitoring, and inspection scheduling

Identify documentation and record-keeping requirements that support an audit trail

Draft the key elements of a fitness-for-service assessment for a corroded member

Complete two full-length timed practice exams and score each by domain

Target the two lowest-scoring domains with focused review of missed concepts

Recite the core formulas (CP current output, anode mass, corrosion rate) from memory

Build a final one-page formula and criteria reference sheet